diff --git a/chartpress.yaml b/chartpress.yaml
index 3585b56cc0..e75a34d011 100644
--- a/chartpress.yaml
+++ b/chartpress.yaml
@@ -20,7 +20,7 @@ charts:
     #
     # baseVersion should be managed via tbump, see RELEASE.md for details
     #
-    baseVersion: "3.3.7"
+    baseVersion: "3.3.8"
     repo:
       git: jupyterhub/helm-chart
       published: https://jupyterhub.github.io/helm-chart
diff --git a/tbump.toml b/tbump.toml
index 3d02494da0..e5fe09304b 100644
--- a/tbump.toml
+++ b/tbump.toml
@@ -5,7 +5,7 @@
 # Config reference: https://github.com/your-tools/tbump#readme
 #
 [version]
-current = "3.3.7"
+current = "3.3.8"
 
 # match our prerelease prefixes
 # -alpha.1